Feeding ecology and trophic impact of the hydroid Obelia dichotoma in the Kongsfjorden (Spitsbergen, Arctic).Published in:Polar Biology, 2013, v. 36, n. 1, p. 61, doi. 10.1007/s00300-012-1239-7By:Orejas, Covadonga;Rossi, Sergio;Peralba, Àurea;García, Eva;Gili, Josep;Lippert, HeikePublication type:Article